Chemistry - Hydrocarbons
Practise 25 JEE Advanced previous year questions on Hydrocarbons, compiled from papers spanning 2007 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty JEE Advanced tests.
Hydrocarbons has been asked in 12 of the 27 years of JEE Advanced papers analysed (2000–2026), with 25 questions in all. 12% of them were easy, 56% moderate and 32% tough. Most of its questions came from 2026, with 4 questions that year. In the last three years (2024–2026) it had 5 questions across 6 papers, about 0.8 per paper.
The chapter's 6 topics are not weighted equally: Reactions of alkenes (8 questions, 32%), Reactions of aromatic compounds (6 questions, 24%), and Reactions of alkynes (4 questions, 16%) have been asked the most. Over the last five years the most frequent topics have been Reactions of alkynes (3), Reactions of alkenes (3), and Reactions of aromatic compounds (1). Reactions of alkenes has produced the most tough questions (2).
- 1In the following reaction sequence, , , and are the major products. The correct statement(s) about , , and is(are)2026 (Paper 1)Reactions of aromatic compounds
- 2Treatment of buta-1,3-diyne with ( equivalents), followed by reaction with excess of - gives as the major product. The maximum number of car2026 (Paper 1)Reactions of alkynes
- 3The List-II contains products obtained from the reaction of compounds in List-I with /Zn- followed by cyclization (via more stable enolate) 2026 (Paper 1)Reactions of alkenes
- 4Natural rubber on complete ozonolysis ( /Zn- ) gives compound as the major product. gives positive iodoform and Tollen's tests. on heating w2026 (Paper 2)Reactions of alkenes
- 5The option(s) with correct sequence of reagents for the conversion of to is(are) :2024 (Paper 2)Reactions of alkynes
- 6The number of isomeric tetraenes (NOT containing sp-hybridized carbon atoms) that can be formed from the following reaction sequence is ____2022 (Paper 2)Reactions of alkynes
- 7The number of - CH 2 - (methylene) groups in the product formed from the following reaction sequence is _____ .2022 (Paper 2)Reactions of alkenes
- 8The major product formed in the following reaction is2021 (Paper 1)Properties and Preparation of Alkenes
- 9The reaction sequence(s) that would lead to o -xylene as the major product is(are)2021 (Paper 2)Properties and Preparation of Alkanes
- 10In the following reaction, the major product is2015 (Paper 1)Reactions of alkenes
- 11In the following reactions, the product S is2015 (Paper 2)Reactions of alkenes
- 12The major product U in the following reactions is2015 (Paper 2)Reactions of aromatic compounds
- 13In the following reactions The major compound Y is2015 (Paper 2)Properties and Preparation of Alkanes
- 14Isomers of hexane, based on their branching, can be divided into three distinct classes as shown in the figure. The correct order of their b2014 (Paper 2)Properties and Preparation of Alkanes
- 15Paragraph: Schemes and describe sequential transformation of alkynes and . Consider only the major products formed in each step for both the2014 (Paper 2)Reactions of alkenes
- 16Paragraph: Schemes and describe sequential transformation of alkynes and . Consider only the major products formed in each step for both the2014 (Paper 2)Reactions of alkenes
- 17Paragraph: and are isomers of dicarboxylic acid . Both decolorize . On heating, forms the cyclic anhydride. Upon treatment with dilute alkal2013 (Paper 2)Reactions of aromatic compounds
- 18In allene , the type(s) of hybridisation of the carbon atoms is (are):2012 (Paper 1)Properties and Preparation of Alkanes
- 19Paragraph: An acylic hydrocarbon , having molecular formula , gave acetone as the only organic product through the following sequence of rea2011 (Paper 1)Reactions of alkenes
- 20The total number of alkenes possible by dehydrobromination of 3-bromo-3-cyclopentylhexane using alcoholic is2011 (Paper 1)Properties and Preparation of Alkenes
- 21The synthesis of 3-octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an alkyne. The bromoalkane and alkyne respe2010 (Paper 1)Reactions of alkynes
- 22The compounds and where separately subjected to nitration using mixture. The major product formed in each case respectively, is2010 (Paper 2)Reactions of aromatic compounds
- 23Preview not available - open to view this question.2010 (Paper 2)Reactions of aromatic compounds
- 24Match the compounds in Column I with their characteristic test(s)/reactions(s) given in Column II. Indicate your answer by darkening the app2008 (Paper 2)Reactions of aromatic compounds
- 25The reagent(s) for the following conversion, is/are2007 (Paper 1)Properties and Preparation of Alkynes
Frequently Asked Questions
1.How many questions are available for Hydrocarbons?
This chapter includes 25 questions compiled from JEE Advanced papers spanning 2007 to 2026.
2.Are these questions only from JEE Advanced, or from other exams too?
These are JEE Advanced questions specifically for the Hydrocarbons chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Hydrocarbons an important chapter for JEE Advanced Chemistry?
Hydrocarbons has appeared in 12 of the 21 years of JEE Advanced papers covered here, with 25 questions across 16 papers - about 2 per paper it appears in.
4.What is the difficulty level of Hydrocarbons questions in JEE Advanced?
Of the 25 questions analysed for this chapter, 12% are easy, 56% moderate and 32% tough. 2026 had the most, with 4 questions.
5.Which topics in Hydrocarbons should I focus on?
These topics have carried the most weightage in Hydrocarbons:
- Reactions of alkenes - 8 questions (32%)
- Reactions of aromatic compounds - 6 questions (24%)
- Reactions of alkynes - 4 questions (16%)
- Reactions of alkenes has produced the most tough questions (2).
6.Is Hydrocarbons's weightage in JEE Advanced going up or down?
Across all 16 papers analysed, Hydrocarbons has averaged about 1.6 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.8 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.